Hmmmm. Last week we heard that Khloe & Matt are just friends & are not dating (but even if they were — they would never reveal it). Well contrary to what they are saying, a new report has come out that they were dating and Khloe has broke it off with Kemp. Why you ask?! Hit the jump for details….

They attended Jay Z’s concert. Hung out after gym sessions. He even stood by her side at mom Kris Jenner’s annual Christmas Eve bash. But Khloe Kardashian and Matt Kemp – both 29 – are already over.

According to Tuesday’s edition of UsWeekly, the reality star – who filed for divorced from Lamar Odom on December 13 – ‘put the brakes’ on the alleged romance because it just doesn’t look good to be in a relationship so soon after her split from the NBA star.

‘Khloe told Matt it would look bad for her divorce to be dating so soon,’ a source tells the publication. ‘So they have to put on the brakes until it’s finalized.’

The report also states that it was the doll’s lawyers who ‘advised’ she tone down her public lovefest with the LA Dodger.

And she listened because ‘she wants it to remain clear that Lamar was the cheater,’ added the source.

…How does Matt – who lives near Khloe’s mother Kris Jenner in Hidden Hills – feel about all of this? ‘He understood,’ added the insider.